返本还源

Explanation: This, the original: the basic, original condition. Back to the original place. Buddhist belief, that people forget the primitive practice by bowing to return to primitive state; or refer to the immortal dead relegation back upon a time. 　　Source: Puji Song Interpretation "Zen Master Wu Deng Hui Wen Feng Fasi ingot": "year will be Yu Jin, who did not return thousands of miles, the public is always home away from customers, as well as back to the source who is also unitary?"